#! /usr/bin/python
# Print the fibonacci sequence up until a given bound


def fib(n):
  if n == 0:
    return 0
  if n == 1:
    return 1
  if n > 1: 
    return fib(n-1) + fib(n-2)

def main():
  print fib(3)

if __name__=='__main__':
  main()
